Question: which is the start time for Gomel has twinned administrative body as Solomianka Raion?
Paraphrase: When did Gormel first become a twinned administrative body with Solomianka Raion?
SPARQL (Wikidata): SELECT ?value WHERE { wd:Q2678 p:P190 ?s . ?s ps:P190 wd:Q528868 . ?s pq:P580 ?value}